Nurse takes a semen sample by wanking a dick

The boy is lying on the table face down and the dick comes out of a hole. under the table there is a girl with a mask and dressed as a nurse jerking off the boy's dick. almost curiously she caresses the dick and touches it with her fingers without taking her eyes off it. Little by little the dick gets hard and she increases the intensity of the masturbation. When she feels that the boy is going to ejaculate, she brings a container closer to receive the semen. Instead of taking the semen sample to the lab, the horny nurse drinks the semen enjoying every drop